23322320 has 40 divisors (see below), whose sum is σ = 61972224. Its totient is φ = 7996032.

The previous prime is 23322319. The next prime is 23322331. The reversal of 23322320 is 2322332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×23322320² = 1087861220364800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20264 + ... + 21383.

Almost surely, 2^23322320 is an apocalyptic number.

23322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23322320 is an abundant number, since it is smaller than the sum of its proper divisors (38649904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23322320 is a wasteful number, since it uses less digits than its factorization.

23322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667 (or 41661 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23322320 is about 4829.3187925421. The cubic root of 23322320 is about 285.7089970450.

Adding to 23322320 its reverse (2322332), we get a palindrome (25644652).

The spelling of 23322320 in words is "twenty-three million, three hundred twenty-two thousand, three hundred twenty".